diff --git a/app/controllers/api/v1/block_transactions_controller.rb b/app/controllers/api/v1/block_transactions_controller.rb
index bd71f0888..83a42f7cc 100644
--- a/app/controllers/api/v1/block_transactions_controller.rb
+++ b/app/controllers/api/v1/block_transactions_controller.rb
@@ -6,8 +6,8 @@ class BlockTransactionsController < ApplicationController
       def show
         block = Block.find_by!(block_hash: params[:id])
         ckb_transactions = block.ckb_transactions.
-          select(:id, :tx_hash, :block_id, :block_number, :block_timestamp, :is_cellbase, :updated_at, :created_at, :tags).
-          order(is_cellbase: :desc, id: :asc)
+          select(:id, :tx_hash, :tx_index, :block_id, :block_number, :block_timestamp, :is_cellbase, :updated_at, :created_at, :tags).
+          order(tx_index: :asc)
 
         if params[:tx_hash].present?
           ckb_transactions = ckb_transactions.where(tx_hash: params[:tx_hash])
diff --git a/app/interactions/addresses/ckb_transactions.rb b/app/interactions/addresses/ckb_transactions.rb
index dcba4cfe6..9748499cb 100644
--- a/app/interactions/addresses/ckb_transactions.rb
+++ b/app/interactions/addresses/ckb_transactions.rb
@@ -17,7 +17,7 @@ def execute
       order_by, asc_or_desc = account_books_ordering
       records = CkbTransaction.tx_committed.joins(:account_books).where(
         account_books: { address_id: },
-      ).order(order_by => asc_or_desc).distinct.page(page).per(page_size)
+      ).order(order_by => asc_or_desc, "ckb_transactions.tx_index" => "desc").distinct.page(page).per(page_size)
 
       options = paginate_options(records, address_id)
       options.merge!(params: { previews: true, address: })
@@ -45,7 +45,7 @@ def paginate_options(records, address_id)
     end
 
     def select_fields
-      %i[id tx_hash block_id block_number block_timestamp
+      %i[id tx_hash tx_index block_id block_number block_timestamp
          is_cellbase updated_at capacity_involved created_at]
     end
 
diff --git a/app/interactions/udts/ckb_transactions.rb b/app/interactions/udts/ckb_transactions.rb
index 09186717e..84982f168 100644
--- a/app/interactions/udts/ckb_transactions.rb
+++ b/app/interactions/udts/ckb_transactions.rb
@@ -18,7 +18,7 @@ def execute
       udt = Udt.find_by(type_hash:, published: true)
       raise UdtNotFoundError if udt.blank?
 
-      order_by = "ckb_transactions.block_timestamp desc nulls last, ckb_transactions.id desc"
+      order_by = "ckb_transactions.block_timestamp desc nulls last, ckb_transactions.tx_index desc"
       ckb_transactions = udt.ckb_transactions.tx_committed.select(select_fields).order(order_by)
       ckb_transactions = ckb_transactions.where(tx_hash:) if tx_hash.present?
 
@@ -53,7 +53,7 @@ def validate_tx_hash!
     end
 
     def select_fields
-      %i[id tx_hash block_id block_number block_timestamp
+      %i[id tx_hash tx_index block_id block_number block_timestamp
          is_cellbase updated_at created_at tags]
     end
   end
diff --git a/app/models/ckb_transaction.rb b/app/models/ckb_transaction.rb
index 55b84e40d..e9435a936 100644
--- a/app/models/ckb_transaction.rb
+++ b/app/models/ckb_transaction.rb
@@ -43,7 +43,7 @@ class CkbTransaction < ApplicationRecord
 
   attribute :tx_hash, :ckb_hash
 
-  scope :recent, -> { order("block_timestamp desc nulls last, id desc") }
+  scope :recent, -> { order("block_timestamp desc nulls last, tx_index desc") }
   scope :cellbase, -> { where(is_cellbase: true) }
   scope :normal, -> { where(is_cellbase: false) }
   scope :created_after, ->(block_timestamp) { where("block_timestamp >= ?", block_timestamp) }
diff --git a/test/controllers/api/v1/address_transactions_controller_test.rb b/test/controllers/api/v1/address_transactions_controller_test.rb
index e7a9c91c9..46acca2cf 100644
--- a/test/controllers/api/v1/address_transactions_controller_test.rb
+++ b/test/controllers/api/v1/address_transactions_controller_test.rb
@@ -71,7 +71,7 @@ class AddressTransactionsControllerTest < ActionDispatch::IntegrationTest
         page = 1
         page_size = 10
         address = create(:address, :with_transactions)
-        ckb_transactions = address.ckb_transactions.order(block_timestamp: :desc).page(page).per(page_size)
+        ckb_transactions = address.ckb_transactions.order(block_timestamp: :desc, tx_index: :desc).page(page).per(page_size)
 
         valid_get api_v1_address_transaction_url(address.address_hash)
 
diff --git a/test/factories/address.rb b/test/factories/address.rb
index 6a0f2d8c0..924942bbe 100644
--- a/test/factories/address.rb
+++ b/test/factories/address.rb
@@ -21,14 +21,14 @@
 
     after(:create) do |address|
       lock_hash = CkbUtils.parse_address(address.address_hash).script.compute_hash
-      address.update(lock_hash: lock_hash)
+      address.update(lock_hash:)
     end
 
     trait :with_lock_script do
       after(:create) do |address, _evaluator|
         block = create(:block, :with_block_hash)
-        cell_output = create(:cell_output, :with_full_transaction, block: block)
-        cell_output.lock_script.update(address: address)
+        cell_output = create(:cell_output, :with_full_transaction, block:)
+        cell_output.lock_script.update(address:)
       end
     end
 
@@ -38,7 +38,7 @@
         block = create(:block, :with_block_hash)
         ckb_transactions = []
         evaluator.transactions_count.times do |i|
-          ckb_transactions << create(:ckb_transaction, block: block, block_timestamp: Time.current.to_i + i)
+          ckb_transactions << create(:ckb_transaction, block:, block_timestamp: Time.current.to_i + i, tx_index: i)
         end
 
         AccountBook.upsert_all ckb_transactions.map { |t| { address_id: address.id, ckb_transaction_id: t.id } }
@@ -52,7 +52,7 @@
         block = create(:block, :with_block_hash)
         ckb_transactions = []
         evaluator.transactions_count.times do |i|
-          ckb_transactions << create(:pending_transaction, :with_multiple_inputs_and_outputs, block: block,
+          ckb_transactions << create(:pending_transaction, :with_multiple_inputs_and_outputs, block:,
                                                                                               block_timestamp: Time.current.to_i + i)
         end
 
@@ -66,14 +66,14 @@
       after(:create) do |address, evaluator|
         evaluator.transactions_count.times do
           block = create(:block, :with_block_hash)
-          transaction = create(:ckb_transaction, block: block, udt_address_ids: [address.id], tags: ["udt"])
+          transaction = create(:ckb_transaction, block:, udt_address_ids: [address.id], tags: ["udt"])
           transaction.contained_address_ids = [address.id]
           transaction.contained_udt_ids = [evaluator.udt.id]
-          transaction1 = create(:ckb_transaction, block: block, udt_address_ids: [address.id], tags: ["udt"])
+          transaction1 = create(:ckb_transaction, block:, udt_address_ids: [address.id], tags: ["udt"])
           transaction1.contained_address_ids = [address.id]
           transaction1.contained_udt_ids = [evaluator.udt.id]
-          create(:cell_output, address: address,
-                               block: block,
+          create(:cell_output, address:,
+                               block:,
                                ckb_transaction: transaction,
                                consumed_by: transaction1,
                                status: "dead",
diff --git a/test/factories/ckb_transaction.rb b/test/factories/ckb_transaction.rb
index a11f1014c..9bb5d473f 100644
--- a/test/factories/ckb_transaction.rb
+++ b/test/factories/ckb_transaction.rb
@@ -2,6 +2,7 @@
   factory :ckb_transaction do
     block
     tx_hash { "0x#{SecureRandom.hex(32)}" }
+    sequence(:tx_index) { |n| n }
     tx_status { "committed" }
     block_number { block.number }
     block_timestamp { block.timestamp }
diff --git a/test/factories/udt.rb b/test/factories/udt.rb
index 210ed5861..e660c95a6 100644
--- a/test/factories/udt.rb
+++ b/test/factories/udt.rb
@@ -18,12 +18,12 @@
     trait :with_transactions do
       after(:create) do |udt, _evaluator|
         full_udt_address_ids = []
-        20.times do
+        20.times do |i|
           block = create(:block, :with_block_hash)
           transaction = create(:ckb_transaction, block:,
-                                                 contained_udt_ids: [udt.id], tags: ["udt"])
+                                                 contained_udt_ids: [udt.id], tags: ["udt"], tx_index: i + 2)
           transaction1 = create(:ckb_transaction, block:,
-                                                  contained_udt_ids: [udt.id], tags: ["udt"])
+                                                  contained_udt_ids: [udt.id], tags: ["udt"], tx_index: i + 1 == 1 ? 0 : i + 1)
           cell_output = create(:cell_output, block:,
                                              ckb_transaction: transaction,
                                              consumed_by: transaction1,